Granted Patent
Utility
US 4,920,247 · App. 07/270,559
Resistance welding
Inventors:
Thomas A. Ward, Larry K. Gove
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Nov 14, 1988
Inventors
Thomas A. Ward
Larry K. Gove
Assignee (at issue)
Westinghouse Electric Company LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.